|Home world:||None, Areoviper lives in between dimensions|
|First appearance:||Ultraman Gaia episode 32 "The Future Seen Before"|
Aero Viper (エアロヴァイパー, Earo Vuaipā) is a Kaiju that first appeared in Ultraman Gaia episode 32.
Subtitle: Spacetime Monster (時空怪獣, Jikū Kaijū)
- Length: 63 m
- Weight: 49,000 t
- Origin: Between Time and Space
Aeroviper suddenly created a wormhole which sucks Gamu into it. Aeroviper then takes Gamu into the future and attacks him, so Gamu makes an emergency landing. In this time, Gamu saw earth become a desert landscape. More shockingly, Gamu also saw the XIG base was annihilated. As Aeroviper waits for another attack, Gamu began to remember memories that everyone had. It was revealed that after Gamu disappeared into Aeroviper's wormhole, the Team Falcon had dispatched to attack the beast as the battle ended up with both sides killed (this is can be seen where a XIG Fighter SS and two XIG Fighter SG crashed with the Kaiju's carcasses). A burial was made at the ruined of the Aerial Base with Commander Ishimuro and the whole XIG Team paying them a final respect. Realizing that Gamu can overcome this future and change it, he then starts to battle Aeroviper once again. However after his plane crash, Gamu changed into Ultraman Gaia. Aeroviper's flight ability makes Gaia have a difficult time defeating the monster, Gaia then strikes Aeroviper horns. destroying them. However, the warp hole begin closing and warp time become unstable, Gaia then starts to finish it quick. Gaia then changed into Supreme Mode and using Photon Stream, defeats the monster. Gaia then rushed into the warp hole and successfully came back.
- Aeroviper's name came from the word aerodynamic meaning that he can fly at super speed and viper from viper rattlesnake because his head resembles a viper rattlesnake.
- Aeroviper's warp time story was an enhanced form of Goldras' story.
Power and Abilities
- Energy Balls: Aeroviper can fire missile-strength balls of energy from his mouth.
- Time Warp: Aeroviper is capable of creating time warps that give it a form of teleportation and the ability to leap years into the future or past.
- Flight: Aeroviper is capable to flight at high speed to make his enemies have a hard time attacking him.
Aeroviper horns let him time warp, should they be destroyed, he can no longer perform time warp.